Geometrical drawing; a collection of plates for practical use in elementary mechanical drawing (1915)
Schraidt, Ferdinand Friederich Hans, 1880- · San Francisco, Whitaker and Ray-Wiggin co. · leaf 121
A/o/e : Om/f c/imen s/onSj i>cf ^roi^/de consfrccf/on /n reef /ines PLATEX … Pof/i of mof/or? of po/nt D during one reyo/uti on of S oracinc/ centre C./^o/nf A n^oyes r/^hf crnof /ef/ on cf strcr/ghf iine. /Vo/e: Omif d/nnef-js/ons, but prok/aie con/sfrucf/on /n //ne reef //nes. PLATE
Mechanical drawing · Geometrical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
